| A | B |
| Energy | The ability to do work or to cause a change. The ability to make things move. |
| Thermal energy | Energy of vibration of particles within matter. The faster the particles vibrate, the more of this energy they have. |
| Electromagnetic energy | Light, microwaves, x-rays. Moves in Waves. Can move through space. |
| Potential Energy | Broad Category for Stored energy; the energy an object has due to its position, molecular arrangement, or chemical composition |
| Sound Energy | Energy produced when an object is made to vibrate; travels out as waves in all directions through a medium. |
| Chemical energy | Energy stored in the bonds of molecules. |
| Mechanical Energy | Energy of moving things. (NOT a broad category) |
| Nuclear Energy | Energy that holds protons & neutrons together in the nucleus of an atom. (Powers the sun) |
| Electrical Energy | Energy produced by the movement of electrons through a substance |
| Kinetic energy | Broad Category for energy in motion - depends on mass and speed. |